You want to second employees abroad or hire international talent. But every border crossing raises many questions?

  • Tax liability, social security, immigration permits, and payroll – every detail matters
  • Mistakes are costly: double taxation, compliance breaches, and issues with authorities
  • Your people should be protected and your company seen as a reliable employer

The good news: we make it simple.

Assignments abroad

Global Mobility Risk Check

Get a comprehensive assessment of your tax, social security and immigration risks relating to international assignments in just a few minutes.

    Here’s what we do for you

    • Design and implement global mobility strategies
    • Alignment of internal processes and policies
    • Advisory on remote work, freelancing, and hybrid models
    • Status determination (tax and social security)
    • Advisory at the start, during, and at the end of the assignment
    • Preparation of income tax returns
    • Assessments
    • Cross‑border payroll including shadow payroll
    • Tax equalization calculations
    • Hypotax calculations & cost projections
    • Consulting on benefits in kind (e.g., compensation, pension, social security)
    • Advice on and applications for work and residence permits
    • Communication with authorities in the home and host countries
    • Compliance with local registration requirements and statutory deadlines
    • Proactive adherence to national and international laws
    • Managing global tax risks
    • Evaluating permanent establishment risks and implications
    • Document storage & status overview via the Assignment Pro platform
    • Multi‑country coordination via a single point of contact
    The solution: Personal. Transparent. Dependable.

    The solution: Personal. Transparent. Dependable.

    Extensive expertise
    in tax law, social security, immigration, and payroll
    Advisory
    on remote work, freelancing, and hybrid work models
    A single point of contact
    for all countries
    Contracts and policies
    Drafting legally compliant secondment contracts and policies

      With Grant Thornton Global Mobility Services, we support you through every phase of international assignments – from planning to repatriation.

      You focus on your business. We handle the rest.

      International assignments do not have to be complicated. We make them safe, transparent, and compliant.
      Julia Saric-Bischof Head of Global Mobility Services

      Your benefits at a glance

      What you gain
      Fact Sheet
      Global Mobility Services

      Fact Sheet

      Everything you need to know about our services 

      Download PDF [148 KB]

      Useful ressources

      Ressource Link
      Global Expatriate Tax Guide Austria
      Global Expatriate Tax Guide all countries
      country‑specific guides to chose from
      Global Mobility Services-Hub international
      articles on tax changes and market trends around international assignments

      Why Grant Thornton

      With us, you'll experience a simpler, smarter way to manage global mobility.
      FAQ

      Your Questions, our Answers

      Answers to the most frequently asked questions about assignments, taxation and immigration law